Headgear for mask assembly



FIG. 1 is a perspective view illustrating headgear according to an embodiment of my design, with an exemplary mask shown in broken lines;

FIG. 2 is a front view thereof, in a flattened condition;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

Where included, broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a headgear for mask assembly, as shown and described. 